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Solve for y 4.2x - 1.4y = 2.1
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2 votes
Solve for y
4.2x - 1.4y = 2.1

User Manu Schiller
by
8.5k points

1 Answer

4 votes
4.2x - 1.4y = 2.1 |multiply both sides by 10

42x - 14y = 21 |subtract 42x from both sides

-14y = 21 - 42x |change signs

14y = 42x - 21 |divide both sides by 14

y = 3x - 1.5
User Tristate
by
7.9k points
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